musepack.h

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/*
  Copyright (c) 2005, The Musepack Development Team
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:

  * Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.

  * Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the following
  disclaimer in the documentation and/or other materials provided
  with the distribution.

  * Neither the name of the The Musepack Development Team nor the
  names of its contributors may be used to endorse or promote
  products derived from this software without specific prior
  written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


#ifndef _musepack_h_
#define _musepack_h_

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

#include "musepack/config_types.h"
#include "musepack/decoder.h"
#include "musepack/math.h"
#include "musepack/reader.h"
#include "musepack/streaminfo.h"
    
enum {
    MPC_FRAME_LENGTH = (36 * 32),    
    MPC_DECODER_BUFFER_LENGTH = 4 * MPC_FRAME_LENGTH 
};

// error codes
#define ERROR_CODE_OK            0
#define ERROR_CODE_FILE         -1
#define ERROR_CODE_SV7BETA       1
#define ERROR_CODE_CBR           2
#define ERROR_CODE_IS            3
#define ERROR_CODE_BLOCKSIZE     4
#define ERROR_CODE_INVALIDSV     5

void mpc_streaminfo_init(mpc_streaminfo *si);

mpc_int32_t mpc_streaminfo_read(mpc_streaminfo *si, mpc_reader *r);

double mpc_streaminfo_get_length(mpc_streaminfo *si);

mpc_int64_t mpc_streaminfo_get_length_samples(mpc_streaminfo *si);

void mpc_decoder_setup(mpc_decoder *d, mpc_reader *r);

BOOL mpc_decoder_initialize(mpc_decoder *d, mpc_streaminfo *si);

void mpc_decoder_scale_output(mpc_decoder *d, double scale_factor);

mpc_uint32_t mpc_decoder_decode(
    mpc_decoder *d,
    MPC_SAMPLE_FORMAT *buffer, 
    mpc_uint32_t *vbr_update_acc, 
    mpc_uint32_t *vbr_update_bits);

BOOL mpc_decoder_seek_sample(mpc_decoder *d, mpc_int64_t destsample);

BOOL mpc_decoder_seek_seconds(mpc_decoder *d, double seconds);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif // _musepack_h_

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